Akro-Mils 30170 12-Inch by 11-Inch by 4-Inch Plastic Nesting Shelf Bin Box, Yellow, Case of 12 Shelf bins nest inside each other, taking up less room when empty Bin accepts up to 7 40130 accessory dividers, 15 30101 small bin cups, or 6 30102 large bin cups Wide hopper front for easy access Outside Dimension: 11-5/8-Inch L x 11-1/8-Inch W x 4-Inch H - Inside Dimension: 10-1/4-Inch L x 10-Inch W x 4-Inch H Made in the USA